Samsung HT-DB300 User manual

DVD RECEIVER AMP

HT-DB300

HT-DB350

HT-DB1350

HT-DB1650

SERVICE Manual

DVD RECEIVER AMP SYSTEM CONTENTS

1. Alignment and Adjustments

2. Exploded Views and Parts List

3. Electrical Parts List

4. Block Diagrams

5. PCB Diagrams

6.Wiring Diagram

7. Schematic Diagrams

8. IC block Diagrams

9.Troubleshooting

- Confidential -

ASC LSM V-H/P

ELECTRONICS

Printed in Korea

Code no. AH68-01225S

1-1Samsung Electronics

1. Alignment and Adjustments

1.Tuner

FM THD Adjustment

Output

Output 28 dB(±2dB)

60 dB

Minumum Distortion (0.4% below)

(Figure 1-1)

SSG FREQ.

Adjustment

point

(FM DET)

98 MHz

FM DETECTOR COIL

FM Search Level Adjustment

Adjust SVR1 so that “TUNED” of FLT is

lighted (Figure 1-2)

Figure1-2 FM Auto Search Level Adjustment

*Adjust FM S.S.G level to 28dB

Figure1-1 IF CENTER and THD Adjustment

SSG FREQ.

Adjustment

point

(SVR1)

98 MHz

BEACON

SENSITIVITY

SEMI-VR(20KΩ)FM S.S.G GND

28 dB

FM S.S.G

Output

GND

Speaker

Terminal

Antenna

Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

10 kΩ

OUTPUT

AM SSG

450KHZ

INPUT

AM ANT

Speaker Terminal

60cm

AM IF

VTVM Oscilloscope

AM(MW) I.F Adjustment

Maximum output (Figure 1-3)

SSG FREQ.

Frequency

Adjustment

point

450 kHz

522 kHz

AM IF

Figure1-3 AM I.F Adjustment

OUTPUT

* Adjustment Location of Tuner PCB

Fig 1-4 OSC Voltage

AM(MW) OSC

Adjustment

Output 1~7.0±0.5V

Received FREQ.

Adjustment

point

522~1611 KHz

AM(MW) RF

Adjustment

ITEAM

594 KHz

Maximum

Output(Fig1-4)

LW OSC

Adjustment

146~290 KHz

2~7.0±0.5V

LW RF

Adjustment

150 KHz

Maximum

Output(Fig1-4)

Samsung Electronics 2-1

2.Exploded Views and Parts List

2-1 Total Exploded View ; HT-DB300

Samsung Electronics

2-2

* Parts List of Total Exploded view ;HT-DB300

No. Code No. Description Specification Q’ty REMARK

1 AH64-02467A BADGE-SAMSUNG AL 30mm,GRAY 1

2 AH64-02318C PANEL-FRONT AL 1.8T 1 America (P.SCAN)

AH64-02318D EUROPE (RDS)

AH64-02318E ASIA

3 AH67-00211A LENS-POWER PMMA MILKY 1

4 AH64-02429A WINDOW-DVD H/M ACRYL 3.0T 1

5 AH64-02466A WINDOW-VFD H/M ACRYL 3.0T 1

6 AH61-01279A BRKT-DOOR SPTE 0.5T 1

7 AH61-01277A HOLDER-DOOR PC ABS (G:20%) 1

8 AH61-01280A SPRING-DOOR SUS 0.3T 1

9 AH64-02319B CABINET-FRONT MIPS GRAY 1

10 AH64-02321A KNOB-FUNCTION ABS GRAY 1

11 AH64-02320A DOOR-TRAY ABS NATURAL 1

12 AH64-02316A CABINET-BOTTOM SECC 1.0T 1

13 AH81-01117A A/S-VOLUME ASSY HT-DB300/750 1

14 AH67-00210A LENS-VOLUME PMMA CLEAR 1

15 AH73-00005A CUSHION-FOOT EVA 2.0T 4

16 AH61-01356A BRKT-DUCT SECC 0.6T 1

17 AH64-02317C CABINET-REAR SECC 0.8T 1 EUROPE

AH64-02317D AMERICA, ASIA

AH64-02317E ASIA (Dual Voltage)

18 AH31-00039A MOTOR-FAN RDM5015S 1

19 AH63-00517A COVER-FAN ABS GRAY 1

20 AH64-02315B CABINET-TOP SECC 0.6T 1

A 6003-001499 SCREW-TAPTITE BWH DOT6 3*8 12

B 6002-000126 SCREW-TAPPING FH M3*10 BLK 2

C AH60-10020D SCREW-TAP TITE RH M2.6*8 YEL 8

D 6003-000276 SCREW-TAP TITE BH 3 * 10 YEL 7

E AH60-10108A SCREW-TAP TITE HP10,BH 3*10 YEL 1

F 6002-000398 SCREW-TAP TITE BH M3*6 YEL 14

G AH60-00014A SCREW-TAP TITE TH M4*6 YEL 4

H AH60-00025A SCREW-TAP TITE BH M3*10 SILVER 16

Samsung Electronics 2-3

2-2 Total Exploded View ; HT-DB350/ HT-DB1350/ HT-DB1650

Samsung Electronics

2-4

* Parts List of Total Exploded view ;HT-DB350/ HT-DB1350/ HT-DB1650

No. Code No. Description Specification Q’ty REMARK

1 AH64-02467A BADGE-SAMSUNG AL 30mm,GRAY 1

2 AH64-02318G PANEL-FRONT AL 1.8T, AMERICA (P.SCAN) 1 HT-DB350

AH64-02318H AL 1.8T, EUROPE (RDS) HT-DB350

AH64-02318J AL 1.8T, ASIA HT-DB350

AH64-02318M AL 1.8T, EUROPE (RDS) HT-DB1350

AH64-02318V AL 1.8T, XFO(RUSSIA) HT-DB1650

AH64-02318W AL 1.8T, EUROPE (RDS) HT-DB1650

3 AH67-00211A LENS-POWER PMMA MILKY 1

4 AH64-02429A WINDOW-DVD H/M ACRYL 3.0T 1

5 AH64-02466A WINDOW-VFD H/M ACRYL 3.0T 1

6 AH61-01279A BRKT-DOOR SPTE 0.5T 1

7 AH61-01277A HOLDER-DOOR PC ABS (G:20%) 1

8 AH61-01280A SPRING-DOOR SUS 0.3T 1

9 AH64-02319B CABINET-FRONT MIPS GRAY 1

10 AH64-02321A KNOB-FUNCTION ABS GRAY 1

11 AH64-02320A DOOR-TRAY ABS NATURAL 1

12 AH64-02316A CABINET-BOTTOM SECC 1.0T 1

13 AH81-01117A A/S-VOLUME ASSY HT-DB300/750 1

14 AH67-00210A LENS-VOLUME PMMA CLEAR 1

15 AH64-02322A KNOB-DSP ABS GRAY 1

16 AH67-00209A LENS-DSP PMMA MILKY 3

17 AH73-00005A CUSHION-FOOT EVA 2.0T 4

18 AH61-01356A BRKT-DUCT SECC 0.6T 1

19 AH64-02317C CABINET-REAR SECC 0.8T, EUROPE 1

AH64-02317D AMERICA, ASIA

AH64-02317E ASIA (Dual Voltage)

20 AH31-00039A MOTOR-FAN RDM5015S 1

21 AH63-00517A COVER-FAN ABS GRAY 1

22 AH64-02315B CABINET-TOP SECC 0.6T 1

A 6003-001499 SCREW-TAPTITE BWH DOT6 3*8 12

B 6002-000126 SCREW-TAPPING FH M3*10 BLK 2

C AH60-10020D SCREW-TAP TITE RH M2.6*8 YEL 8

D 6003-000276 SCREW-TAP TITE BH 3 * 10 YEL 7

E AH60-10108A SCREW-TAP TITE HP10,BH 3*10 YEL 1

F 6002-000398 SCREW-TAP TITE BH M3*6 YEL 14

G AH60-00014A SCREW-TAP TITE TH M4*6 YEL 4

H AH60-00025A SCREW-TAP TITE BH M3*10 SILVER 16

2-5Samsung Electronics 2-5

2-3 DVD MECHA Exploded View and Parts list

No. Code No. Description ; Specification

AH59-01153A DECK-MECHA ASS’Y CMS-SD100

1 AH61-01293A BASE-MAIN ABS BLK

2 AH63-00535A TRAY-DISC ABS D/GRAY

3 AH66-00214A LEVER-LIFT ABS+GF20%

4 AH66-00215A PULLEY-MOTOR POM WHT

5 AH66-00216A GEAR-PULLEY TPE WHT

6 AH66-00217A GEAR-TRAY POM WHT

7 AH61-01295A CLAMPER-BRKT SECC t0.8

8 AH63-00536A CLAMPER-MOLD POM WHT

9 AH66-00218A SLIDE-CAM PC WHT

10 AH61-01296A HOLDER-BRACKET SECC t0.8

11 AH31-00030B MOTOR-DC RF-300E-1D390

12 AH41-00560A PCB-SWITCH 43.5 * 32.5

13 AH66-00219A BELT-PULLEY CR 1.2

14 3409-001119 SWITCH-DETECTOR JDS2200

15 AH59-01184A DVD-DECK ASSY CMS-S51PG4

16 6001-001257 SCREW-MACHINE 1.7*3(W4.5)

17 AJ60-10001A SCREW-TAP WASHER 6.8

18 6003-000152 SCREW-TAP 2*10.12

19 AH73-00058A RUBBER-CD SILICON 30

20 0205-001106 GREASE GX-99004

21 0205-001109 GREASE DM-523

22 6003-000283 SCREW TAP 3*8

23 AH02-00038A TAPE 10mm*80mm

24 3809-001451 CABLE-FLAT 60mm 24P

25 3302-001505 MAGNET CHUCK 190 gf

26 AH30-00055A PICK-UP 4P.JST

27 AH39-00495A WIRE-HARNESS UL1007,#28,70mm

28 AH39-00496A WIRE-HARNESS UL1007,#28,65mm

2-6 Samsung Electronics

2-6

2-4 SPEAKER Exploded View and Parts list

* CAUSION : It is used the bonding, connect NET FRAME(or FRONT PANEL ASS’Y) to CABINET ASS’Y.

So when the disassembly, take extreme care not to demage the SPEAKER.

* Satellite Speaker

* Center Speaker * SUBWOOFER

2-4-1 HT-DB300 / HT-DB350

Samsung Electronics 2-7

2-4-2 HT-DB1350

* CAUSION : It is used the bonding, connect NET FRAME(or FRONT PANEL ASS’Y) to CABINET ASS’Y.

So when the disassembly, take extreme care not to demage the SPEAKER.

* Satellite Speaker

* Center Speaker

* SUBWOOFER

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